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Development and Deterioration of Spermatophores in Pond-Reared Penaeus vannamei
(World aquaculture society, 1993)
Spermatophore deterioration in pond-reared Penaeus vannamei was studied, and spermatophore
quality was evaluated and improved. Sperm production of males collected from grow-out ponds was
increased by two techniques: ...
Mortalidad embrionaria y éxito de eclosión en huevos de Trachemys scripta (Testudines: Emydidae) incubados en un área natural protegida
(Universidad de Costa Rica, 1996)
In the northeast of Costa Rica, ilIega! collecting, habitat destruction and heavy predation 011 adult females,
young and eggs of Trachemys scripta produced a population decline in recent years. The slider tUltle has a ...